1259485625 has 10 divisors (see below), whose sum is σ = 1573854018. Its totient is φ = 1007588000.

The previous prime is 1259485603. The next prime is 1259485627. The reversal of 1259485625 is 5265849521.

It can be written as a sum of positive squares in 5 ways, for example, as 324288064 + 935197561 = 18008^2 + 30581^2 .

It is not a de Polignac number, because 1259485625 - 2⁶ = 1259485561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1259485625.

It is not an unprimeable number, because it can be changed into a prime (1259485627) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1006964 + ... + 1008213.

Almost surely, 2^1259485625 is an apocalyptic number.

It is an amenable number.

1259485625 is a deficient number, since it is larger than the sum of its proper divisors (314368393).

1259485625 is an frugal number, since it uses more digits than its factorization.

1259485625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015197 (or 2015182 counting only the distinct ones).

The product of its digits is 864000, while the sum is 47.

The square root of 1259485625 is about 35489.2325219918. The cubic root of 1259485625 is about 1079.9353027659.

The spelling of 1259485625 in words is "one billion, two hundred fifty-nine million, four hundred eighty-five thousand, six hundred twenty-five".